| Most common failures | No# failures |
|---|
| Registration plate issues | 8 |
| Headlamp aim out of alignment | 5 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 2 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 2 |
| Rear Stop lamp not working (4.3.1 (a) (ii)) | 2 |
| Rear reflector missing (4.8.2 (a) (ii)) | 2 |
| Rear Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Direction indicator not working |1.5.1c| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Drive belt excessively loose. |6.2.1d| | 1 |
| Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Rear Stop lamp remains on when the brake is released |1.3.1e| | 1 |
| Nearside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Offside Rear Direction indicator incorrect colour |1.5.1b| | 1 |
| Rear Direction indicator affected by the operation of another lamp |1.5.1c| | 1 |
| Stop lamp affected by the operation of another lamp both |1.3.2| | 1 |
| Rear reflector on motorcycle incorrectly positioned |1.4.2d| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Nearside Steering lock stop missing |2.1.3| | 1 |
| Steering operation linkage fouling when handlebars turned from lock to lock left hand mirror hitting the tank |2.1.4 |a|| | 1 |
| Rear Stop lamp not working |4.3.1 |a| |ii|| | 1 |
| Offside Front Direction indicator not working (4.4.1 (a) (ii)) | 1 |
| Rear Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Nearside Handlebar handgrip not secure to handlebars. |2.1.1c| | 1 |
| Brake clevis joint insecure Split pin missing from pin (1.1.15 (c)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| All direction indicators incorrect colour (4.4.3 (a)) | 1 |
| Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Horn not working (7.7 (a)) | 1 |
| Registration plate lamp issues | 1 |
| Rear Brake indicates excessive fluctuation of brake effort (1.2.1 (e)) | 1 |
| Nearside Front Shock absorber has a serious fluid leak (5.3.2 (b)) | 1 |
| Stop lamp not working (4.3.1 (a) (ii)) | 1 |